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Fujitsu AOU30RLXEH Design & Technical Manual

Wall mounted type for extra cold climate area
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AIR CONDITIONER

Wall mounted type

DESIGN & TECHNICAL MANUAL
INDOOR
OUTDOOR
ASU30RLE
AOU30RLXEH
For Extra Cold Climate Area
DR_AS015EF_03
2016.07.21

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  • Page 1: Wall Mounted Type

    AIR CONDITIONER Wall mounted type DESIGN & TECHNICAL MANUAL For Extra Cold Climate Area INDOOR ASU30RLE OUTDOOR AOU30RLXEH DR_AS015EF_03 2016.07.21...
  • Page 2 Notices: • Product specifications and design are subject to change without notice for future improvement. • For further details, please check with our authorized dealer. Copyright © 2016 Fujitsu General Limited. All rights reserved.
  • Page 3: Table Of Contents

    CONTENTS Part 1. INDOOR UNIT ................1 1. Product features ..................2 1-1. Model lineup ......................2 1-2. Features ........................2 1-3. Details of server room control ..................4 2. Remote controller ..................8 2-1. Wireless remote controller ..................8 3. Specifications ..................12 4. Dimensions ....................14 4-1. Model: ASU30RLE ....................14 5.
  • Page 4 CONTENTS (continued) Part 2. OUTDOOR UNIT ..............59 1. Specifications ..................60 2. Dimensions ....................61 2-1. Model: AOU30RLXEH ..................... 61 3. Installation space ...................62 3-1. Model: AOU30RLXEH ..................... 62 4. Refrigerant circuit ..................65 4-1. Model: AOU30RLXEH ..................... 65 5. Wiring diagrams ..................66 5-1.
  • Page 5: Part 1. Indoor Unit

    Part 1. INDOOR UNIT WALL MOUNTED TYPE: ASU30RLE...
  • Page 6: Product Features

    1. Product features Implemented core technology provides easy-to-use product operations that realize a comfortable space. 1-1. Model lineup ASU30RLE AOU30RLXEH 1-2. Features  High energy performance MODEL ASU30RLE Seasonal Energy Efficiency Ratio (SEER) 18.7 Heating Seasonal Performance Factor (HSPF) 11.8...
  • Page 7  Set temperature control by 1 °F possible Temperature setting by 1 degree in Fahrenheit or by 0.5 degree in Celsius possible.  Energy saving control by using human sensor Implemented human sensor detects the presence or absence of human in a room by sensing movement of occupants, and suppress both of the air conditioner operation and energy con- sumption.
  • Page 8: Details Of Server Room Control

    1-3. Details of server room control By activating server room control using function setting 96, this product maintains a room at constant temperature.  Available operations When server room control is activated by changing the setting on function setting 96, this product maintains the room temperature constant by performing 3 types of operations automatically accord- ing to the room temperature conditions.
  • Page 9 • Supporting operation When the room temperature does not reach to the set point after a certain period of time, regard- less of the primary-secondary relation of the unit, operation start indication is issued to another unit and both indoor units perform air conditioning simultaneously. Set point non-attainment Indoor unit A Indoor unit B...
  • Page 10  Precautions on unit installation CAUTION • Do not place any other electrical products or household belongings under the product. Conden- sation dripping from the product might get them wet, and may cause damage or malfunction to the property. • In units installation facing each other, the vertical airflow direction louver on each indoor unit should be set at a position from 3 to 6.
  • Page 11  Initial setup for server room control  Function setting procedure Before activating server room control, assignment of primary unit and secondary unit is required. Change the setting of function setting 96 as follows: 1. Turn on the power source of 2 indoor units. 2.
  • Page 12: Remote Controller

    2. Remote controller 2-1. Wireless remote controller  Features • Temperature setting by 1 °F or by 0.5 °C possible. • 5-mode timer setup (on, off, weekly, program, and sleep) available. NOTE: When performing server room control, only the weekly timer is effective.
  • Page 13  Switching remote controller custom code Code selector switch eliminates unit being wrongly switched. (Up to 4 codes can be set.) After code change Mixed-up I.U. I.U. I.U. I.U. I.U. I.U. I.U. I.U. * I.U.: Indoor unit  Temperature unit switchable Easy to change the temperature unit between °F and °C by button operation.
  • Page 14  Overview SENSOR button Signal transmitter MODE button FAN button MIN. HEAT button ECONOMY button SWING button TEMP. button OUTDOOR UNIT SET button LOW NOISE button POWERFUL button WEEKLY button TIMER SETTING button Start/Stop ON/OFF button button SEND button SLEEP button SELECT button RESET button...
  • Page 15: Specifications

     Specifications  Controller Unit: in (mm) Top view 11/16 2-3/8 (17) (61) Front view Side view Size (H × W × D) in (mm) 8-1/16 × 2-3/8 × 11/16 (205 × 61 × 17) Weight oz (g) 4.3 (122) (without batteries) ...
  • Page 16: Specifications

    3. Specifications Wall mounted Type Inverter heat pump Model name ASU30RLE Power supply 208/230 V ~ 60 Hz Available voltage range 187—253 V 8.79 Rated Btu/h 30,000 Cooling 2.9—9.5 Min.—Max. Btu/h 9,900—32,400 Capacity 9.37 Rated Btu/h 32,000 Heating 2.35—11.0 Min.—Max. Btu/h 8,000—36,200 Rated...
  • Page 17 Wall mounted Type Inverter heat pump Model name ASU30RLE Remote controller type Wireless (Wired [option]) NOTES: • Specifications are based on the following conditions: – Cooling: Indoor temperature of 80 °FDB (26.67 °CDB) /67 °FWB (19.44 °CWB), and outdoor temperature of 95 °FDB (35 °CDB) / 75 °FWB (23.9 °CWB). –...
  • Page 18: Dimensions

    4. Dimensions 4-1. Model: ASU30RLE Unit: in (mm) 45-1/4 (1150) 13-6/16 (340) 24 (609) 11 (280) 26-7/16 (672) 28-9/16 (725) 45-1/4 (1150) 20-1/2 (520) 20-1/2 (520) 13/16 (21) 3-9/16 (90) Outline of unit 2-1/2 (64) 10/16 (16) 13-6/16 (340) 1-15/16 (50) 1-15/16 (50) 4-1/4...
  • Page 19  Installation space requirement Provide sufficient installation space for product safety. Unit: in (mm) Outline of unit 1-15/16 (49) 1-15/16 (50) or more or more 2-6/16 (60) 5-1/8 (130) or more or more 59-1/16 (1,500) or more - 15 -...
  • Page 20: Wiring Diagrams

    5. Wiring diagrams 5-1. Model: ASU30RLE - 16 -...
  • Page 21: Capacity Table

    6. Capacity table Capacity tables show each of following values calculated based on the outdoor temperature and the indoor temperature, under given Airflow Rate (AFR): For cooling capacity: Total Capacity (TC), Sensible Heat Capacity (SHC), and Input Power (IP) For heating capacity: Total Capacity (TC) and Input Power (IP) 6-1.
  • Page 22: Heating Capacity

    6-2. Heating capacity  Model: ASU30RLE Indoor temperature °FDB °FDB °FWB kBtu/h kBtu/h kBtu/h kBtu/h kBtu/h 24.02 3.80 23.45 3.87 22.88 3.95 22.30 4.02 21.73 4.10 28.62 4.04 27.94 4.12 27.26 4.20 26.57 4.28 25.89 4.36 33.64 4.37 32.83 4.46 32.03 4.55 31.23...
  • Page 23: Fan Performance

    7. Fan performance 7-1. Air velocity distributions  Model: ASU30RLE Fan speed Operation mode Measuring conditions HIGH (ft) Unit: ft/s (m/s) Top view Vertical airflow direction louver: Up Horizontal airflow direction louver: Center (ft) (ft) Unit: ft/s (m/s) Top view Vertical airflow direction louver: Up Horizontal airflow direction louver: Left &...
  • Page 24 (ft) Unit: ft/s (m/s) Side view Vertical airflow direction louver: Down Horizontal airflow direction louver: Center (ft) - 20 -...
  • Page 25: Airflow

    7-2. Airflow  Model: ASU30RLE  Cooling Fan speed Airflow 1,380 HIGH 1,130 QUIET  Heating Fan speed Airflow 1,380 HIGH 1,130 QUIET - 21 -...
  • Page 26: Operation Noise (Sound Pressure)

    8. Operation noise (sound pressure) 8-1. Noise level curve  Model: ASU30RLE  Cooling  Heating NC-65 NC-65 NC-60 NC-60 NC-55 NC-55 HIGH HIGH NC-50 NC-50 NC-45 NC-45 NC-40 NC-40 NC-35 NC-35 NC-30 NC-30 QUIET QUIET NC-25 NC-25 NC-20 NC-20 NC-15 NC-15 1,000...
  • Page 27: Sound Level Check Point

    8-2. Sound level check point Microphone Microphone 39-3/8 in (1 m) - 23 -...
  • Page 28: Safety Devices

    9. Safety devices Model Type of Protection form protection ASU30RLE Circuit protection Current fuse (PCB*) 250 V, 3.15 A More than 185°F (85°C) Activate Fan motor speed down Thermistor protection Less than 185°F (85°C) Reset Fan motor speed recover Fan motor protection 302±27°F (150±15°C) Activate...
  • Page 29: External Input And Output

    10. External input and output Indoor unit PCB External input and output PCB SW301 SW302 Rotary switch CN314 CN313 CN2 (Ext. in) CN312 CN3 (Ext. out) CN311 CN310 (Ext. in/out PCB) CN308 Input External input External output Connector Input select signal Operation/Stop Dry contact...
  • Page 30  External input and output PCB The indoor unit Operation/Stop can be set by using the input connector on the PCB.  Input select Use either one of these types of connectors according to the application. (Both types of connec- tors cannot be used simultaneously.) •...
  • Page 31: 10-2.External Output

    10-2. External output Use an external output cable with appropriate external dimension, depending on the number of ca- bles to be installed.  Indoor unit • A twisted pair cable (22AWG) should be used. Maximum length of cable is 82 ft (25 m). •...
  • Page 32  External input and output PCB • A twisted pair cable (22AWG) should be used. Maximum length of cable is 82 ft (25 m). • Output voltage: High DC 12 V±2 V, Low 0 V. • Permissible current: 50 mA •...
  • Page 33: 10-3.Combination Of External Input And Output

    10-3. Combination of external input and output By combining the function setting of the indoor unit and rotary switch setting of the External input and output PCB, you can select various combinations of functions. Combination examples of external input and output are as follows: External input Function Rotary...
  • Page 34 External output Function Rotary Indoor unit External input and output PCB Mode setting CN310 CN311 CN312 Cooling Heating Remote External heater 60-08 thermostat On thermostat On controller output output Indoor unit fan External heater 60-09 Error status Operation/Stop operation status output Indoor unit fan External heater...
  • Page 35: 10-4.Details Of Function

    10-4. Details of function  Control input function  When function setting is "Operation/Stop" mode 1 • In the case of "Edge" input Rotary SW on Function Mode External input and External input Input signal Command setting / output PCB Off →...
  • Page 36  When function setting is "Forced stop" mode • In the case of "Edge" input Rotary SW on Function Mode External input and External input Input signal Command setting / output PCB Forced Off → On stop Input of indoor unit On →...
  • Page 37  When function setting is "Operation/Stop" mode 2 • In the case of "Edge" input Rotary SW on Function Mode External input and External input Input signal Command setting / output PCB Off → On Operation Input of indoor unit Stop (R.C.
  • Page 38  Forced thermostat off function Rotary SW on Function Input Mode External input and External input Command setting / signal output PCB Thermostat Off → On 60-00 / 2 External input and 60-09 / B CN313 output PCB Normal 60-10 / C On →...
  • Page 39 • System figure example External controller Relay Outdoor thermistor External input wire Indoor thermistor Indoor Outdoor Indoor unit temperature temperature Ventilator 88˚F 82˚F (31˚C) (28˚C) Except indoor unit and external wire, all other items are Office Fri 10:00AM Mode Set Temp. Custom Cool 80°F...
  • Page 40  Control output function  Operation/Stop status Rotary SW on Function Output Mode External input and External output Command setting / signal output PCB Low → High Operation 60-00 / 1, 2 Output of indoor unit High → Low Stop Off →...
  • Page 41  Indoor unit fan operation status Rotary SW on Function Output Mode External input and External output Command setting / signal output PCB Low → High Fan run 60-10 / C Output of indoor unit High → Low Fan stop Off →...
  • Page 42  Set point attainment status NOTE: This function is valid only when function setting 96 is set to “01” (Primary unit) or “02” (Secondary unit). When the room temperature does not reach the set point at a room due to the lower cooling perfor- mance caused by external factor such as the outdoor temperature change, signal is output to tell the attainment status of set point.
  • Page 43  Fresh air conditioner (for external control module*) input func- tion (mode 1 or 7) * Module that reduces or stops the cooling operating ratio of the air conditioner by intaking fresh air such as Direct digital controller. Function Mode External input External output Input signal*...
  • Page 44 • Operation status Signal detected by Outdoor temp. < Indoor temp. : On external controller [Mechanical cooling Off] Outdoor temp. > Indoor temp. : Off (EXT.IN2) Cooling thermostat On (EXT.OUT) Indoor Mechanical cooling unit Fan (49-01) Set temp. + 0.9°F (+ 0.5°C) Indoor temp.
  • Page 45 Return air • Inappropriate designing and installation of external heater may cause a fire by emitted heat from the external heater. • Fujitsu General Ltd. is not responsible for inappropriate designing or installation of external heating device. - 41 -...
  • Page 46  Auxiliary heater control 1 Operation Condition Heater on Heater is on as shown in following diagram of heating temperature. • Heater is off as shown in following diagram of heating temperature. • Other than heating mode Heater off • Error occurred •...
  • Page 47  Heat pump prohibition control Operation Condition Heater on Heater is on as shown in following diagram of heating temperature. • Heater is off as shown in following diagram of heating temperature. • Other than heating mode Heater off • Error occurred •...
  • Page 48  Heater selection control by outdoor temperature 1 Operation Condition Heater on Heater is on as shown in following diagram of heating temperature. • Heater is off as shown in following diagram of heating temperature. • Other than heating mode Heater off •...
  • Page 49  Heater selection control by outdoor temperature 2 Operation Condition Heater on Heater is on as shown in following diagram of heating temperature. • Heater is off as shown in following diagram of heating temperature. • Other than heating mode Heater off •...
  • Page 50  Heating thermostat on for humidifier Indoor unit Function External output setting Situation Mode Rotary SW Heating Indoor unit fan Heating thermostat on operation thermostat on no. 60 status 60-05 Example of 60-06 CN312 individual Not used 60-07 CN311 connection 60-08 CN310 •...
  • Page 51: Function Settings

    11. Function settings To adjust the functions of this product according to the installation environment, various types of function settings are available. NOTE: Incorrect settings can cause a product malfunction. 11-1. Function settings by using remote controller Some function settings can be changed on the remote controller. After confirming the setting proce- dure and the content of each function setting, select appropriate functions for your installation envi- ronment.
  • Page 52  Contents of function setting Each function setting listed in this section is adjustable in accordance with the installation environ- ment. NOTE: Setting will not be changed if invalid numbers or setting values are selected.  Function setting list Function no. Functions Remote controller address setting Filter sign...
  • Page 53 2) Filter sign Select appropriate intervals for displaying the filter sign on the indoor unit according to the estimated amount of dust in the air of the room. If the indication is not required, select "No indication" (03). Function number Setting value Setting description Factory setting...
  • Page 54 4) Room temperature control for wired remote controller sensor Depending on the installed environment, correction of the wire remote temperature sensor may be required. Select the appropriate control setting according to the installed environment. To change this setting, set Function 42 to Both “01”. Ensure that the Thermo Sensor icon is displayed on the remote controller screen.
  • Page 55 7) Remote controller custom code (Only for wireless remote controller) The indoor unit custom code can be changed. Select the appropriate custom code. Function number Setting value Setting description Factory setting ♦ 8) External input control "Operation/Stop" mode or "Forced stop" mode can be selected. Function number Setting value Setting description...
  • Page 56 11) Switching functions for external output terminal Functions of the external output terminal can be switched. For details, refer to “External input and output”. Function number Setting value Setting description Factory setting Operation status ♦ Error status Indoor unit fan operation status Set point attainment status 12) Outdoor temperature zone boundary temperature A Setting required if changing of the outdoor temperature setting for heat pump prohibition zone is re-...
  • Page 57 15) Server room control Switches between normal control and server room control. NOTE: To use this function, address setting of the primary unit and secondary unit needs to be done. Function number Setting value Setting description Factory setting Normal control ♦...
  • Page 58: 11-2.Custom Code Setting For Wireless Remote Controller

    11-2. Custom code setting for wireless remote controller To interconnect the air conditioner and the wireless remote controller, assignment of the custom code for the wireless remote controller is required. NOTE: Air conditioner cannot receive a signal if the air conditioner has not been set for the custom code.
  • Page 59: Accessories

    12. Accessories Part name Exterior Q’ty Part name Exterior Q’ty Operating manual Drain hose insulation Installation manual Cloth tape Tapping screw (large), Wall hook bracket M4 × 25 mm Tapping screw (small), Remote controller M3 × 12 mm Battery Air cleaning filter Remote controller Air cleaning filter frame holder...
  • Page 60: Optional Parts

    13. Optional parts 13-1. Controllers Exterior Part name Model name Summary Easy finger touch operation with LCD panel. Backlit LCD enables easy operation in a dark room. Wire type: Non-polar 2-wire NOTE: When this remote controller is connected, wireless remote controller cannot be used.
  • Page 61: 13-2.Others

    13-2. Others Exterior Part name Model name Summary Use to connect with various External UTY-XWZX peripheral devices and air conditioner connect kit PCB. External input Use to connect with external devices UTY-XCSXZ1 and output PCB and air conditioner PCB. External input For installing the External input and and output PCB UTZ-GXXB...
  • Page 62 - 58 -...
  • Page 63: Part 2. Outdoor Unit

    Part 2. OUTDOOR UNIT SINGLE TYPE: AOU30RLXEH...
  • Page 64: Specifications

    1. Specifications Type Inverter heat pump Model name AOU30RLXEH Power supply 208/230 V ~ 60 Hz Available voltage range 187—253 V Starting current 18.7 Cooling 4,032 (6,850) Airflow rate CFM (m Heating 4,032 (6,850) Type × Q'ty Propeller fan × 2 Motor output 100 ×...
  • Page 65: Dimensions

    2. Dimensions 2-1. Model: AOU30RLXEH 5-3/16 4-11/16 Unit: in (mm) (132) 25-9/16 (650) (119) 2-5/8 (66) 1-3/4 (45) Top view 35-7/16 (900) 1-1/4 13 (330) (31) (12) Terminal blocks 3-way valve (Liquid) 3-way valve ( Gas ) Ø28 (Ø1-1/8) x 2...
  • Page 66: Installation Space

    3. Installation space 3-1. Model: AOU30RLXEH  Space requirement Provide sufficient installation space for product safety.  Single outdoor unit installation • When the upper space is open: Unit: in (mm) When there are obstacles at the rear only. When there are obstacles at the rear and sides.
  • Page 67  Multiple outdoor unit installation • When the upper space is open: Unit: in (mm) When there are obstacles at the rear only. When there are obstacles at the front only. 60 (1,500) or more 12 (300) or more When there are obstacles at the front and rear. 20 (500) or more 60 (1,500)
  • Page 68  Outdoor unit installation in multi-row Unit: in (mm) Single parallel unit arrangement Multiple parallel unit arrangement 6 (150) 20 (500) or more or more 79 (2,000) 119 (3,000) or more or more 24 (600) or more 24 (600) or more 40 (1,000) or more 60 (1,500) or more NOTES:...
  • Page 69: Refrigerant Circuit

    4. Refrigerant circuit 4-1. Model: AOU30RLXEH INNER PRESSURE STRAINER MUFFULER SENSOR STRAINER STRAINER FUSIBLE PLUG OUTER SERVICE PORT - 65 -...
  • Page 70: Wiring Diagrams

    5. Wiring diagrams 5-1. Model: AOU30RLXEH - 66 -...
  • Page 71: Capacity Compensation Rate For Pipe Length And Height Difference

    Indoor unit Outdoor unit Indoor unit Connection pipe Connection pipe 6-1. Model: AOU30RLXEH NOTE: Values mentioned in the table are calculated based on the maximum capacity. Pipe length COOLING 0.912 0.893 0.875 0.857 0.823 0.945 0.927 0.908 0.890 0.872 0.837...
  • Page 72: Additional Charge Calculation

    7. Additional charge calculation 7-1. Model: AOU30RLXEH Refrigerant type R410A lb oz 6 lb 12 oz Refrigerant amount 3,050  Refrigerant charge 65 or less 246 (Max.) Total pipe length 20 or less 75 (Max.) 0.43 oz/ft (40 g/m) 14.1 28.2...
  • Page 73: Airflow

    8. Airflow 8-1. Model: AOU30RLXEH  Cooling 6,850 1,903 4,032  Heating 6,850 1,903 4,032 - 69 -...
  • Page 74: Operation Noise (Sound Pressure)

    9. Operation noise (sound pressure) 9-1. Noise level curve  Model: AOU30RLXEH  Cooling  Heating NC-65 NC-65 NC-60 NC-60 NC-55 NC-55 NC-50 NC-50 NC-45 NC-45 NC-40 NC-40 NC-35 NC-35 NC-30 NC-30 NC-25 NC-25 NC-20 NC-20 NC-15 NC-15 1,000 2,000...
  • Page 75: Sound Level Check Point

    9-2. Sound level check point Rear Microphone Microphone Airflow 39-3/8 in (1 m) Side view Rear view NOTE: Detailed shape of the actual outdoor unit might be slightly different from the one illustrated above. - 71 -...
  • Page 76: Electrical Characteristics

    10. Electrical characteristics Model name ASU30RLE Power supply Voltage 208/230 Frequency MCA *1 25.6 Starting current 18.7 MAX. CKT. BKR *3 Power cable Wiring spec. *2 Connection cable *4 Limited wiring length ft (m) 249 (76) *1: Minimum Circuit Ampacity (Calculation based on UL1995) *2: Selected sample based on Japan Electrotechnical Standards and Codes Committee E0005.
  • Page 77: Safety Devices

    11. Safety devices Model Type of Protection form protection AOU30RLXEH Current fuse (Near the terminal) 250 V, 25 A 250 V, 10 A Current fuse (Filter PCB) Circuit protection 250 V, 5 A Current fuse (Main PCB) 250 V, 3.15 A...
  • Page 78: External Input And Output

    12. External input and output With using external input and output functions, this product can be operated inter-connectedly with an external device. Connector Input Output Remarks CN10 Low noise mode — CN11 Peak cut mode — See external input/output settings for details. CN12 —...
  • Page 79  Peak cut mode By performing following on-site work, operation that suppresses the current value can be enabled: The air conditioner is set to the “Peak cut mode” when closing the contact input of a commercial timer or on/off switch to a connector on the control PCB of the outdoor unit. ...
  • Page 80: 12-2.External Output

    12-2. External output With using external output function, some status signals are transmitted to the control PCB, and the related LED lamp indicates the status of this product.  Error status output  Circuit diagram example • 1: Power supply Outdoor unit Connected unit Voltage (Vcc): DC 24 V or less...
  • Page 81  Compressor status output  Circuit diagram example • 1: Power supply Outdoor unit control PCB Connected unit Voltage (Vcc): DC 24 V or less • 2: Load Connector DC 500 mA or less Power supply • *: Make the distance from the PCB to the connected unit within 33 ft (10 m).
  • Page 82: Function Settings

    13. Function settings Perform appropriate function setting locally according to the installation environment. NOTE: Incorrect settings can cause a product malfunction. CAUTION • Before setting up the switch buttons, discharge the static electricity from your body. • Never touch the terminals or the patterns on the parts that are mounted on the PCB. 13-1.
  • Page 83  Switch buttons and the functions LED lamps Switch buttons LED lamp Function or operation method Lights on while power on. (1) POWER/MODE Green Local setting in outdoor unit or error code is displayed with blink. (2) ERROR Blinks during error operation. (3) PUMP DOWN (L1) Orange Lights on during pump down operation.
  • Page 84: 13-2.Local Setting Procedure

    13-2. Local setting procedure NOTE: Before performing the function setting, be sure to stop the operation of the air conditioner.  Low noise mode LED lamps Switch buttons Press the MODE switch button (SW1) for 3 seconds or more to switch to “Local setting mode”. After confirming the LED lamp of POWER/MODE blinks 9 times, press the ENTER switch button (SW3).
  • Page 85 Press the ENTER switch button (SW3) and fix it. PEAK CUT (L4) (L5) (L6) MODE 1 MODE 2 To return to “Operating status display (Normal operation)”, press the EXIT switch button (SW4). In case of missing how many times you pressed the SELECT and ENTER switch buttons: 1.
  • Page 86  Peak cut mode LED lamps Switch buttons Press the MODE switch button (SW1) for 3 seconds or more to switch to “Local setting mode”. After confirming the LED lamp of POWER/MODE blinks 9 times, press the ENTER switch button (SW3). PUMP POWER LOW NOISE...
  • Page 87 Press the ENTER switch button (SW3) and fix it. PEAK CUT (L4) (L5) (L6) 100 % of rated input ratio 75 % of rated input ratio 50 % of rated input ratio 0 % of rated input ratio To return to “Operating status display (Normal operation)”, press the EXIT switch button (SW4).
  • Page 88: Accessories

    14. Accessories Part name Exterior Q’ty Part name Exterior Q’ty Installation manual Conduit plate - 84 -...
  • Page 89: Optional Parts

    15. Optional parts Exterior Part name Model name Summary Use to operate the external input and External UTY-XWZXZ3 output functions of outdoor unit. connect kit - 85 -...

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